that is the obama campaign thinks that pennsylvania is in their pocket. they don't need to worry about it. and you're right and they're wrong. we're going to win pennsylvania and we're going to take the white house. >> reporter: it could be a questionable move. not only ground does he have to make up in swing states like ohio and florida, the poll of polls show romney trailing the president by ten points. republicans have tried, but failed to win pennsylvania in recent presidential elections. just ask john mccain, who made his own last-ditch effort. >> just one day left until we take america in a new direction. we need to win in pennsylvania and tomorrow, with your help, we will win! >> it's unclear what kind of resources romney would put into pennsylvania when asked whether the campaign would buy any add ads here, that's for the obama campaign to know and the romney campaign to worry about. >>> now to a a nn romney a pretty constant presence on the campaign trail and now opening up about a big concern. while campaigning in nevada she sat down to talk abo